Building panel



FIG. 1 is a top plan view of a building panel showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a cross section by line 7--7 on FIG. 2; and,

FIG. 8 is a perspective view thereof. 

The ornamental design for a building panel, as shown and described. 